The black soybean hull extract is derived from the seed coat of black beans Glycine max (L.) Merri., And is extracted by a special process. Its main component is cyanidin-3-glucoside. Black bean anthocyanins is extracted from the black soybean hulls a powerful antioxidant, black bean skin as raw material extracted from the natural pigment called "black bean red pigment," referred to as "black bean red," also known as black bean cyanine Prime.